Portion of a wire rack shelf unit



FIG. 1 is an isometric view of the design in a shelving unit with the broken lines showing environment, in which the design in solid lines is embodied;

FIG. 2 is an enlarged perspective view of a portion of the solid line portion design of FIG. 1;

FIG. 3 is a front view of the design of FIG. 2;

FIG. 4 is a right side view of the design of FIG. 2;

FIG. 5 is a top plan view of the design of FIGS. 1 and 2;

FIG. 6 is a bottom view of the design of FIGS. 1 and 2;

FIG. 7 is a cross-sectional view taken along lines 7—7 of FIG. 5;

FIG. 8 is a cross-sectional view taken along lines 8—8 of FIG. 5; and,

FIGS. 9–16 illustrate an alternative embodiment of the design of FIGS. 1–8 and are the same as the design shown in the respectively corresponding FIGS. 1–8 with the sole exception of the omission of the keyhole-shaped apertures and trailing end rivets or studs therein which are shown in FIGS. 1–8.

The segment lines on the ends of the vertical sold line portions of FIGS. 1–4, 7 and 8 indicate indefinite extension of those portions of the design and are not themselves part of the design. 

The ornamental design for a portion of a wire rack shelf unit, as shown and described. 